/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Drawing/MeshDebugDrawing.h
Draw a zoomable, hierarchical grid with configurable depth and density terms
namespace MeshDebugDraw { void MeshDebugDraw::DrawHierarchicalGrid ( double BaseGridScale, double GridZoomFactor, int32 MaxLevelDensity, const FVector & WorldMaxBounds, const FVector & WorldMinBounds, int32 Levels, int32 Subdivisions, [TArray](API\Runtime\Core\Containers\TArray)< [FColor](API\Runtime\Core\Math\FColor) > & Colors, const [FFrame3d](API\Runtime\GeometryCore\FFrame3d_1) & LocalFrame, float LineWidth, bool bDepthTested, [FPrimitiveDrawInterface](API\Runtime\Engine\FPrimitiveDrawInterface) * PDI, const FTransform & Transform ) }